.450 Bushmaster caliber; Professionally applied Cerakote coating on barrel, muzzle brake, receiver and bolt handle results in a durable, easy-to-maintain finish; Threaded barrel with factory-installed radial port muzzle brake is cold hammer-forged, resulting in ultra-precise rifling that provides exceptional accuracy and longevity; Intuitive three-position tang safety locks the bolt, preventing inadvertent bolt opening while allowing the rifle to be loaded with the safety engaged; Ruger Marksman Adjustable trigger offers a crisp release with a pull weight that is user-adjustable between 3 and 5 pounds; Patented Power Bedding integral bedding block system positively locates the receiver and free-floats the barrel for outstanding accuracy; The one-piece bolt is CNC machined from stainless steel for smooth operation and the familiar three-lug design with 70 degrees throw provides ample scope clearance; Splatter finished stock provides excellent grip without being too sharp or abrasive; Removing the installed spacer allows for length of pull to be adjusted from 13.75" to 12"; Factory-installed, one-piece Picatinny scope base; Includes: one magazine; steel sling swivel studs